Astronomy
Constellations - Circinus - the Cir

 
Identification Data
Common Name
ConstellationCircinus
Star Namethe Cir
Skymap Number14560109
Henry Draper (HD) Number131492
Harvard Revised (HR) Number5551
SAO Number252965
Durchmusterung (DM) NumberCP-62 4337
Washington Double Stars (WDS) Number
14567-6247
Positional Data
Position and Proper Motion (PPM) Number361100
Right Ascension (RA) J200014h 56m 43.986s
Declination (Dec) J2000-62° 46' 51.659"
Position Uncertainty0.0058s
Proper Motion in RA (J2000)/cos(Dec)-0.00181
Proper Motion in Dec (J2000)-0.011866
Radial Velocity+003.0km s-1
Trigonometric Parallax+0.00391s
Trigonometric Parallax Uncertainty0.00067s
GCI Unit Vector in X (J2000)-0.328003
GCI Unit Vector in Y (J2000)-0.318782
GCI Unit Vector in Z (J2000)-0.889265
Galactic Longitude316.72°
Galactic Latitude
-3.31°
Observational Data
Observed Visual Magnitude (V)5.08
Derived Visual Magnitude
Derived Visual Magnitude or Observed Visual Magnitude Uncertainty0.007
Observed B Magnitude5.05
Observed B-V Colour-0.026
Observed B Magnitude or (B-V) Magnitude Uncertainty0.008
Observed U Magnitude
Observed U-B Colour
Observed U Magnitude or (U-B) Magnitude Uncertainty
Observed Photovisual Magnitude5.4
Observed Photographic Magnitude5.3
Morgan Keenan (MK) Spectral TypeB4Vnpe
One-Dimensional Spectral ClassB3
Position Angle50
Year of Observation1989. AD

Data Source
SKY2000 - Master Star Catalog - Star Catalog Database, Version 2
    Sande C.B., Warren Jr. W.H., Tracewell D.A., Home A.T., Miller A.C.
    (Goddard Space Flight Center, Flight Dynamics Division (1998))

 
Page compiled: Sun Sep 02 13:15:37 GMT+01:00 2001